Global Mixed-mode Technology Inc.
G1085
3A Adjustable Low-Dropout Linear Regulator
Features
General Description
The G1085 is a low dropout linear regulator with a
dropout of 1.2V at 3A of load current. It is avail-
able in an adjustable version, which can set the
output from 1.25V to 5V with only two external
resistors.
Available in Adjust Version
Space Saving TO-252 Package and TO-263
Package
Internal Short Circuit Current Limiting
Internal Over Temperature Protection
Output Current 3A
The G1085 provides over temperature and over
current protection circuits to prevent it from being
damaged by abnormal operating conditions.
Applications
Post Regulation for Switching DC/DC Con-
verter
High Efficiency Linear Regulator
Battery Charger
Battery Powered Instrumentation
Motherboard
The G1085 is available in TO-252 package and
TO- 263 packages. A minimum of 100µF tantalum
electrolytic capacitor is required at the output to
improve the transient response and stability.
Ordering Information
ORDER
NUMBER
ORDER NUMBER
(Pb free)
TEMP.
RANGE
PIN OPTION
PACKAGE
MARKING
1
2
3
G1085T43U
G1085T53U
G1085T43Uf
G1085T53Uf
G1085
G1085
-40°C to +85°C
-40°C to +85°C
TO-252
TO-263
GND/ADJ
GND/ADJ
VOUT
VOUT
VIN
VIN
* For other package types and pin options, please contact us at sales @gmt.com.tw
Order Number Identification
GXXXX XX
X
X
Packing Type
Pin Option
Package Type
Part Number
PACKAGE TYPE
T4: TO-252
PIN OPTION
2
PACKING
U & D: Tape & Reel Direction
T: Tube
1
3
T5: TO-263
3: GND/ADJ VOUT
VIN
Package Type
Typical Application
[Note 4]: Type of COUT
IO
G1085V
VIN
OUT
VIN
VOUT
GND/ADJ
Top View
COUT
100µF
C1
100µF
R1
R2
1
3
2
TO-252、TO-263
TEL: 886-3-5788833
http://www.gmt.com.tw
Ver: 1.2
Sep 20, 2004
1